Conjugación del verbo inglés COULD REFINE
Verbo regular: refine - refined - refined
Afirmación
Forma simple
I could refineyou could refine
he could refine
we could refine
you could refine
they could refine
Forma con V-ing
I could be refiningyou could be refining
he could be refining
we could be refining
you could be refining
they could be refining
Perfecto
I could have refinedyou could have refined
he could have refined
we could have refined
you could have refined
they could have refined
Perfecto con V-ing
I could have been refiningyou could have been refining
he could have been refining
we could have been refining
you could have been refining
they could have been refining
Negación
Forma simple
I couldn't refineyou couldn't refine
he couldn't refine
we couldn't refine
you couldn't refine
they couldn't refine
Forma con V-ing
I couldn't be refiningyou couldn't be refining
he couldn't be refining
we couldn't be refining
you couldn't be refining
they couldn't be refining
Perfecto
I couldn't have refinedyou couldn't have refined
he couldn't have refined
we couldn't have refined
you couldn't have refined
they couldn't have refined
Perfecto con V-ing
I couldn't have been refiningyou couldn't have been refining
he couldn't have been refining
we couldn't have been refining
you couldn't have been refining
they couldn't have been refining
Forma interrogativa
Forma simple
could I refine?could you refine?
could he refine?
could we refine?
could you refine?
could they refine?
Forma con V-ing
could I be refining?could you be refining?
could he be refining?
could we be refining?
could you be refining?
could they be refining?
Perfecto
could I have refined?could you have refined?
could he have refined?
could we have refined?
could you have refined?
could they have refined?
Perfecto con V-ing
could I have been refining?could you have been refining?
could he have been refining?
could we have been refining?
could you have been refining?
could they have been refining?
Forma interro-negativa
Forma simple
couldn't I refine?couldn't you refine?
couldn't he refine?
couldn't we refine?
couldn't you refine?
couldn't they refine?
Forma con V-ing
couldn't I be refining?couldn't you be refining?
couldn't he be refining?
couldn't we be refining?
couldn't you be refining?
couldn't they be refining?
Perfecto
couldn't I have refined?couldn't you have refined?
couldn't he have refined?
couldn't we have refined?
couldn't you have refined?
couldn't they have refined?
Perfecto con V-ing
couldn't I have been refining?couldn't you have been refining?
couldn't he have been refining?
couldn't we have been refining?
couldn't you have been refining?
couldn't they have been refining?